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Malicious package

cyberday26szymon-authPyPI

Advisory published Updated

cyberday26szymon-auth is a confirmed malicious PyPI package (MAL-2026-7452) that executes malicious code on install (malicious version 0.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in cyberday26szymon-auth (PyPI)

MAL-2026-7452
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall cyberday26szymon-auth

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

10c66b98bff4c49a43b8696a52e9d9bee7afee4ab0ae81a6b5c5174c674bf057

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for cyberday26szymon-auth (version 0.0.1).

  2. If you installed it — respond

    Remove cyberday26szymon-auth from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.

  3. Did it already run?

    If cyberday26szymon-auth was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. cyberday26szymon-auth on PyPI has been identified as a malicious package (version 0.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-02096

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks cyberday26szymon-auth-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

Explore

cyberday26szymon-auth (PyPI) malicious package — MAL-2026-7452 | O3 Security